MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c43d3b30d92390b661f787d64762553aa62f11f5fb4b06574f49a870b5c51f10. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c43d3b30d92390b661f787d64762553aa62f11f5fb4b06574f49a870b5c51f10
SHA3-384 hash: 7404a4b9d783243db9106b15d55ff096aca9e55beddfffe813a1fb93ce712020903301ca8670e0f9f00f8ab8ecc50dd9
SHA1 hash: 4e4d3f7c4b10b9af88254e65ecb8249847e1e2a5
MD5 hash: 3ed7502c04d536b9cb27a1a8e7aedaa7
humanhash: cup-mississippi-mirror-october
File name:SecuriteInfo.com.Win32.PWSX-gen.17701.25970
Download: download sample
Signature Formbook
Create hunting rule
File size:830'976 bytes
First seen:2022-10-20 11:46:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yZ8fEu5QndZmz9U32JvKhVDY0wiPbHQpxD6amCUL0i:Sndge2RQDY0JzWxWbf
TLSH T1F30549B626D51217E42972B59083E5F326FBAE506041E1C3A5D34F6FBC841BBD62338B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.17701.25970
Verdict:
No threats detected
Analysis date:
2022-10-20 11:52:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eb3b58f7-88e4-4267-bde1-0634c7408ab6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321976/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.17701.25970.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63513536a67b0a5ed57a85fc/reports/3367d695-1e1c-4a14-84bf-20e6fcea0921/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc868889-962a-427f-9567-45f27d697e92
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1094114
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c43d3b30d92390b661f787d64762553aa62f11f5fb4b06574f49a870b5c51f10/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-10-20 09:56:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yq6twmgzeoilmypxq7leoysvhktc6epv7nfqmv2pjguhbnofd4ia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ndgi rat spyware stealer trojan
Link:
https://tria.ge/reports/221020-nxvfmacbem/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3aa4782f-3d34-4e2e-b965-abffa9968090
Unpacked files
SH256 hash:
375eaab2c09f3515b0870d8a12befdd3451607819119dc85f0cf1ea33c94aa71
MD5 hash:
6e4cb17237b23f1da7e11f53a21881cd
SHA1 hash:
0896ab009b5569ad685c61dfee198c6cb0bb265d
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
Parent samples :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 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
SH256 hash:
f2ed2edd048421363e907cb64df2d6a9cf422ae04118bfd83099097218ec07c7
MD5 hash:
50bae7f6b99d80382a882e1a264c6d79
SHA1 hash:
5a9de180b89786f7f57c26c2b2f61fd5d3417480
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
SH256 hash:
8806d9ecc35b6deb94d2df59135b3b04cc16ad0bb5fde3da7a7a412ed9bdc5d9
MD5 hash:
76ee491b3911382e97020da2c132a1d9
SHA1 hash:
16ba95db418f978e86ddebadc1968d8eae0267e0
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
SH256 hash:
c43d3b30d92390b661f787d64762553aa62f11f5fb4b06574f49a870b5c51f10
MD5 hash:
3ed7502c04d536b9cb27a1a8e7aedaa7
SHA1 hash:
4e4d3f7c4b10b9af88254e65ecb8249847e1e2a5
Link:
https://www.unpac.me/results/b9e8362e-1fc9-4a82-8503-2f3fd39fc67c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c43d3b30d923/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/c43d3b30d92390b661f787d64762553aa62f11f5fb4b06574f49a870b5c51f10

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/321976/

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